[mythtv-users] Card not ready

[John P Poet]

On Fri, Nov 4, 2022 at 5:00 PM James <jam at tigger.ws> wrote:

>
>
> On 5 Nov 2022, at 7:51 am, John Pilkington <johnpilk222 at gmail.com> wrote:
>
> On 04/11/2022 23:44, James wrote:
>
> Hi
> I changed my backend from an i7 to rysan. (Lightning, magic smoke etc)
> All went smoothly *except* the cards are not ready when mythtv starts.
> This always worked on the i7
> -------- mythbackend.service
> [Unit]
> Description=MythTV backend service
> After=network.target mysql.service
> Requires=mysql.service
> Wants=apache2.service
> [Service]
> Type=simple
> EnvironmentFile=/etc/sysconfig/mythbackend
> User=jam
> Group=video
> ExecStart=/usr/local/bin/mythbackend --logpath /var/log/mythtv
> $MYTHBACKEND_OPTIONS
> --------
> At the macro level I know what to do, it's the detail ...
> does instantiation of /dev/dvb/adaperN mean the card IS ready or
> SOON-WILL-BE ?
> Any suggestions?
> Thanks
> James
>
>
> Firmware?
>
>
> dvb-demod-si2168-02.fw
>
> whichever is used
>
> dvb-demod-si2168-b40-01.fw
>
> James
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I do not believe this is your problem, but when I switched a machine from
Intel to AMD one of my tuners stopped working reliably and I had to add:
"options cx23885 dma_reset_workaround=2"
to a conf file in /etc/modprobe.d
Note that a reboot was required after that change to see the benefit.

John
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